7296426720 has 144 divisors (see below), whose sum is σ = 27162665712. Its totient is φ = 1768826880.

The previous prime is 7296426719. The next prime is 7296426727. The reversal of 7296426720 is 276246927.

7296426720 is a `hidden beast` number, since 72 + 96 + 426 + 72 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7296426727) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 214477 + ... + 246156.

It is an arithmetic number, because the mean of its divisors is an integer number (188629623).

Almost surely, 2^7296426720 is an apocalyptic number.

It is an amenable number.

7296426720 is an abundant number, since it is smaller than the sum of its proper divisors (19866238992).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7296426720 is a wasteful number, since it uses less digits than its factorization.

7296426720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460665 (or 460654 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 45.

The square root of 7296426720 is about 85419.1238540879. The cubic root of 7296426720 is about 1939.5608457913.

The spelling of 7296426720 in words is "seven billion, two hundred ninety-six million, four hundred twenty-six thousand, seven hundred twenty".